Home / 32,772.72-45,221.09-18,432.50

Finding the Fourth Proportional to 32,772.72, 45,221.09 and 18,432.50

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Solution

The fourth proportional to 32,772.72, 45,221.09 and 18,432.50 is: 25,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,772.72 : 45,221.09 = 18,432.50 : x
  2. Step 2: Convert to fraction form
    32,772.72/45,221.09 = 18,432.50/x
  3. Step 3: Cross multiply
    32,772.72x = 45,221.09 × 18,432.50
  4. Step 4: Simplify right side
    32,772.72x = 833,537,423.16
  5. Step 5: Solve for x
    x = 833,537,423.16/32,772.72
  6. Step 6: Final answer
    x = 25,433.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.